40259440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38711}}^1$

素因数の和:38737

約数の個数: 40

約数和(自身を含む): 100806048

約数和(自身を除く): 60546608

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 38711, 77422, 154844, 193555, 309688, 387110, 503243, 619376, 774220, 1006486, 1548440, 2012972, 2516215, 3096880, 4025944, 5032430, 8051888, 10064860, 20129720, 40259440]

約数ペア:

[(1, 40259440), (2, 20129720), (4, 10064860), (5, 8051888), (8, 5032430), (10, 4025944), (13, 3096880), (16, 2516215), (20, 2012972), (26, 1548440), (40, 1006486), (52, 774220), (65, 619376), (80, 503243), (104, 387110), (130, 309688), (208, 193555), (260, 154844), (520, 77422), (1040, 38711)]